[ 1179.568620][T12610] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1179.581854][T12613] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1181.848824][T12604] Could not find device with ifindex 2000 in netnsfd 11
[ 1181.850156][T12604] Could not find netns with fd: 2000
[ 1181.850936][T12604] Cannot link a netdevsim to itself
[ 1181.851926][T12604] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).